Repair advice - Cost


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Owen_1987
Owen_1987
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Hi all,

I have recently brought a used APR GTC-200 rear wing for my car and have notice a few cloudy patches which looks like de-lamination.

I have been quote £150 from DMS in Erith for them to re-clear coat it, to me that sounds about right but I would like some more professional opinions please? As I don't have much experience iun this field I thought I would ask the question. 

Also, does anybody know any other carbon specialists around Hertfordshire that I can get a quote from?

Many thanks,
Owen

  
carboncactus
carboncactus
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Do it yourself, sand it back to carbon then re-clear it and polish it.
Or get someone to clear it for you, but definitely sand it and polish it yourself, that's where most of that £150 is. Body shop should be able to clear it for £20 if they can fit it in their batch.

http://www.talkcomposites.com/Uploads/Images/db628ad5-e0e7-47b9-873a-3d84.png
Owen_1987
Owen_1987
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I'm a bit worried about sanding too far because I haven't done any carbon work before. I'm not sure how far down the de-lamination has occurred, in one spot it almost looks like its between the weave. 
carboncactus
carboncactus
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Theres a very significant change on the surface when you hit the carbon. It's like the light hits the carbon strands differently, You will know when youve sanded enough. It doesnt matter if you sand into it, but you can sand through it if you just plow through it. The surface layer is at least .25mm thick, if you sand through it, youll see the weave from the layer below it and it will look naff. Use 300-400 grit to get most of the lacquer off, then move onto 600-800 to get the last bits.

http://www.talkcomposites.com/Uploads/Images/db628ad5-e0e7-47b9-873a-3d84.png
Edited 12 Years Ago by carboncactus
Warren (Staff)
Warren (Staff)
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What he said!

Warren Penalver
Easy Composites / Carbon Mods - Technical Support Assistant
FLD
FLD
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As above.

One other thing to note is the change of colour in the dust (white to gray) if you hit the cloth.  If you get this STOP sanding!
GO

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